<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <input type="text" v-model.lazy="message">
        {{message}}
        <input type="number" v-model.number="message">
        {{typeof message}}
        <!-- 去除前后空格 -->
        <input type="text" v-model.trim="message">
        {{typeof message}}
    </div>
    <script src="../js/vue.js"></script>
    <script>
        const app=new Vue({
            el:'#app',
            data:{
                message: "你好"
            }
        })
    </script>
</body>
</html>